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@article{DAN_1977_237_4_a8, author = {M. Sh. Tsalenko}, title = {The structure of correspondence categories}, journal = {Doklady Akademii Nauk}, pages = {786--789}, publisher = {mathdoc}, volume = {237}, number = {4}, year = {1977}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1977_237_4_a8/} }
M. Sh. Tsalenko. The structure of correspondence categories. Doklady Akademii Nauk, Tome 237 (1977) no. 4, pp. 786-789. http://geodesic.mathdoc.fr/item/DAN_1977_237_4_a8/